Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube layout Tube diameter Tube pitch No. of baffles Tube layout Tube diameter Tube pitch No. of baffles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Reynolds Colburn Prandtl None of these Reynolds Colburn Prandtl None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.4 20.8 20.4 40.8 40.4 20.8 20.4 40.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Remains unchanged Increases or decreases depending on number of shell passes Increases Decreases Remains unchanged Increases or decreases depending on number of shell passes Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam traps are provided in steam carrying pipelines to none of the listed here remove condensate and inert gases release excess steam pressure by bleeding steam. condense steam none of the listed here remove condensate and inert gases release excess steam pressure by bleeding steam. condense steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large. 20 minutes 10 minutes 40 minutes 5 minutes 20 minutes 10 minutes 40 minutes 5 minutes ANSWER DOWNLOAD EXAMIANS APP
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